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Exchnage 2007 to 2013 Coexistence Issues

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Exchnage 2007 to 2013 Coexistence Issues - 13.Oct.2014 8:49:47 AM

bhavesh

Posts: 3
Joined: 13.Oct.2014
Status: offline

Hi All,
I am currently in the process of migrating exchange 2007 to 2013. Everything has gone ok so far, but I am stuck on issues with coexistence.
A very brief rundown of my setup:
Single domain, single exchange 2007 server running all roles.
TMG Firewall
Single exchange 2013 server
Situation:
Exchange 2013 is mail.domain.com
Exchange 2007 is now legacy.domain.com
All relevant names exist in the UCC SSL certificate
OWA:
User with mailbox on exchange 2013 goes to mail.domain.com which is pointed to TMG. Logs in fine and opens the users mailbox on 2013.
User with mailbox on exchange 2007 goes to mail.domain.com, logs into TMG, immediately get �webpage cannot be displayed� Under more information is say )HTTP 500 internal server error)
User with mailbox on exchange 2007 goes to legacy.domain.com, logs into tmg and is correctly redirected to the exchange 2007 mailbox.

Active Sync:
User with mailbox on exchange 2013 works fine pointing to mail.domain.com
User with mailbox on exchange 2007 no longer works after changed 2007 to the legacy namespace.
In exchange 2007 I have left the external url blank for ActiveSync.

Outlook anywhere:
Users with mailbox on 2013 work fine, 2007 don�t.

Internal outlook clients:
Both with mailboxes on either server work fine.
Any help would be much appreciated.
Thanks in advance.

Post #: 1

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RE: Exchnage 2007 to 2013 Coexistence Issues - 14.Oct.2014 10:13:51 AM

de.blackman

Posts: 3542
Joined: 4.Apr.2005
From: Toronto, Canada
Status: offline

Sounds like you have all the necessary configuration settings correct but doublecheck with these values:

http://silbers.net/blog/2014/01/22/exchange-20072013-coexistence-urls/

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(in reply to bhavesh)

Post #: 2

RE: Exchnage 2007 to 2013 Coexistence Issues - 16.Oct.2014 8:45:52 AM

bhavesh

Posts: 3
Joined: 13.Oct.2014
Status: offline

Hi de.blackman, thank you for the very helpful link provided. I have been through and checked every aspect and it all seems to be correct. Could you suggest any other options? Thanks

Hi carlochapline,

Thanks for the links, I will have a read and get back to you with my findings.

Post #: 3

RE: Exchnage 2007 to 2013 Coexistence Issues - 22.Oct.2014 4:26:23 AM

bhavesh

Posts: 3
Joined: 13.Oct.2014
Status: offline

Hi Guys,

I have managed to resolve the OWA issue. I had exchange 2013 CU5 installed. Redirection of OWA is a known issue in this version. I upgraded to CU6 and wala, Clients were being redirected both internally and externally to the legacy.domain.com if there mailbox was on 2007.

Will keep you updated about the other issues.

Thanks

(in reply to bhavesh)

Post #: 4